3-Methylisoquinoline-4-carboxylic acid CAS 1369203-79-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1369203-79-1 |
| Molecular Formula | C11H9NO2 |
| Molecular Weight | 187.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Methylisoquinoline-4-carboxylic acid (CAS 1369203-79-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H9NO2. Molecular weight: 187.19 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H9NO2 |
| Molecular Weight | 187.19 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 1 |
Related Methylisoquinoline Standards
- 4-Methylisoquinoline-5-carboxylic acid (CAS 1337881-60-3)
- 1-Methylisoquinoline-8-carboxylic acid (CAS 1416713-23-9)
- 3-Methylisoquinoline-8-carboxylic acid (CAS 1416713-32-0)
- 5-Methylisoquinoline-1-carboxylic acid (CAS 1429787-92-7)
- 8-Methylisoquinoline-1-carboxylic acid (CAS 174873-78-0)
- 8-Methylisoquinoline-3-carboxylic acid (CAS 1780202-90-5)
- 5-Methylisoquinoline-3-carboxylic acid (CAS 1781933-12-7)
- 6-Methylisoquinoline-8-carboxylic acid (CAS 1824080-62-7)
Recommended Standards
- 1-Amino-2-(3,5-difluorophenyl)propan-2-ol (CAS 1368408-17-6)
- 2-Amino-3-(2,6-difluorophenyl)propan-1-ol (CAS 1369403-37-1)
- 6-Methoxy-3-quinolinecarboxaldehyde (CAS 13669-60-8)
- 3-(4-Methoxybenzenesulfonyl)-2-methylpropanoic acid (CAS 205504-66-1)
- 1-(4-Bromophenyl)-3-{[(4-chlorophenyl)methyl]sulfanyl}pyrrolidine-2,5-dione (CAS 298218-18-5)
- tert-Butyl 3-[(3,4-difluorophenyl)methyl]-4-oxo-3H,4H,5H,6H,7H,8H-pyrido[4,3-d]pyrimidine-6-carboxylate (CAS 1798531-26-6)
- S-phenyl 2-chloro-2-oxo-ethanethioate (CAS 215245-36-6)
- Sodium (3R)-1-[(tert-butoxy)carbonyl]piperidine-3-sulfinate (CAS 2470384-89-3)
- N-Cyclopropyl-3-(4-phenoxyphenyl)imidazo[1,2-a]pyrazin-8-amine (CAS 787591-25-7)
- Semaglutide impurity 91 (CAS CATO-C4X-222691)
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